Satco S3911 - 15 Watt - T7

Clear - Intermediate Base - 2,500 Life Hours - 95 Lumens - 130 Volt

This intermediate base T7 tubular light bulb is made for use in signs, emergency lights, and other specialty applications. The Satco S3911 bulb is equipped with a heavy-duty 130 volt filament, allowing it to last longer when operated at 120 volts. It has an intermediate (E17) base, and it uses 15 watts to operate.